CN100399160C - 背光单元和具有该背光单元的液晶显示设备 - Google Patents

背光单元和具有该背光单元的液晶显示设备 Download PDF

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Publication number
CN100399160C
CN100399160C CNB2005100971073A CN200510097107A CN100399160C CN 100399160 C CN100399160 C CN 100399160C CN B2005100971073 A CNB2005100971073 A CN B2005100971073A CN 200510097107 A CN200510097107 A CN 200510097107A CN 100399160 C CN100399160 C CN 100399160C
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CN
China
Prior art keywords
light
luminescence unit
lamp
unit
back light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2005100971073A
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English (en)
Chinese (zh)
Other versions
CN1797122A (zh
Inventor
朴喜正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Display Co Ltd
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LG Philips LCD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Philips LCD Co Ltd filed Critical LG Philips LCD Co Ltd
Publication of CN1797122A publication Critical patent/CN1797122A/zh
Application granted granted Critical
Publication of CN100399160C publication Critical patent/CN100399160C/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133604—Direct backlight with lamps
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133603—Direct backlight with LEDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133609—Direct backlight including means for improving the color mixing, e.g. white
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133611—Direct backlight including means for improving the brightness uniformity

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)
CNB2005100971073A 2004-12-31 2005-12-30 背光单元和具有该背光单元的液晶显示设备 Expired - Fee Related CN100399160C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020040118366A KR101108426B1 (ko) 2004-12-31 2004-12-31 액정표시장치의 백라이트유닛
KR1020040118366 2004-12-31

Publications (2)

Publication Number Publication Date
CN1797122A CN1797122A (zh) 2006-07-05
CN100399160C true CN100399160C (zh) 2008-07-02

Family

ID=36640186

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100971073A Expired - Fee Related CN100399160C (zh) 2004-12-31 2005-12-30 背光单元和具有该背光单元的液晶显示设备

Country Status (3)

Country Link
US (1) US7377681B2 (ko)
KR (1) KR101108426B1 (ko)
CN (1) CN100399160C (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101134302B1 (ko) * 2005-06-30 2012-04-13 엘지디스플레이 주식회사 액정표시장치용 커버버툼 및 이를 이용한 발광다이오드백라이트어셈블리와 액정표시장치모듈
US20070047219A1 (en) * 2005-08-27 2007-03-01 3M Innovative Properties Company Direct-lit backlight having light sources with bifunctional diverters
US8045096B2 (en) * 2005-09-28 2011-10-25 Sharp Kabushiki Kaisha Lighting unit including alternately arrange first and second light sources, backlight unit, liquid crystal display device
WO2007037047A1 (ja) * 2005-09-28 2007-04-05 Sharp Kabushiki Kaisha 照明装置、バックライト装置、液晶表示装置
KR100703094B1 (ko) * 2005-10-12 2007-04-06 삼성전기주식회사 Ｌｅｄ 백라이트 유닛
TWI287677B (en) * 2006-05-12 2007-10-01 Chi Mei Optoelectronics Corp Structure and method of quasi-U lamp for improving current uniformity of the backlight module
TW201027186A (en) * 2009-01-13 2010-07-16 Chunghwa Picture Tubes Ltd Backlight module for a scanning backlight LCD
US8092065B2 (en) * 2009-07-31 2012-01-10 Chung-Shan Institute of Science and Technology Armaments Bureau, Ministry of National Defense Multi-function planar light source illumination lamp
JP6119490B2 (ja) 2013-07-31 2017-04-26 ソニー株式会社 光源装置、および表示装置
CN104913247B (zh) 2015-06-24 2017-07-28 深圳市华星光电技术有限公司 一种高耦光效率的背光单元
US11022745B2 (en) 2016-12-29 2021-06-01 Corning Incorporated Microstructured and patterned light guide plates and devices comprising the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143433A (en) * 1991-11-01 1992-09-01 Litton Systems Canada Limited Night vision backlighting system for liquid crystal displays
US5479275A (en) * 1993-12-03 1995-12-26 Ois Optical Imaging Systems, Inc. Backlit liquid crystal display with integral collimating, refracting, and reflecting means which refracts and collimates light from a first light source and reflects light from a second light source
US6039451A (en) * 1998-06-04 2000-03-21 Rockwell Science Center, Inc. Sculptured transflector for dual mode active matrix liquid crystal display backlight
CN1512230A (zh) * 2002-12-27 2004-07-14 鸿富锦精密工业（深圳）有限公司 背光模组

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4015199B2 (ja) * 1996-09-18 2007-11-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ バックライト照明装置
DE10022420B4 (de) * 2000-05-09 2007-04-26 Automotive Lighting Reutlingen Gmbh Fahrzeugleuchte
JP2002258281A (ja) 2001-03-01 2002-09-11 Furuno Electric Co Ltd 液晶ディスプレイ、輝度調整装置および表示装置
JP3927011B2 (ja) 2001-08-20 2007-06-06 株式会社 日立ディスプレイズ 液晶表示装置とその駆動回路
KR20040058665A (ko) * 2002-12-27 2004-07-05 엘지.필립스 엘시디 주식회사 액정표시장치의 백라이트 장치 및 백라이트 구동 방법
US7303322B2 (en) * 2003-12-23 2007-12-04 3M Innovative Properties Company Multiple lightguide backlight
KR100699266B1 (ko) * 2005-09-09 2007-03-27 삼성전자주식회사 백라이트 유닛과 이를 포함하는 표시장치
US20070081321A1 (en) * 2005-10-10 2007-04-12 Seung-Ho Ahn Backlight unit and display apparatus having the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143433A (en) * 1991-11-01 1992-09-01 Litton Systems Canada Limited Night vision backlighting system for liquid crystal displays
US5479275A (en) * 1993-12-03 1995-12-26 Ois Optical Imaging Systems, Inc. Backlit liquid crystal display with integral collimating, refracting, and reflecting means which refracts and collimates light from a first light source and reflects light from a second light source
US6039451A (en) * 1998-06-04 2000-03-21 Rockwell Science Center, Inc. Sculptured transflector for dual mode active matrix liquid crystal display backlight
CN1512230A (zh) * 2002-12-27 2004-07-14 鸿富锦精密工业（深圳）有限公司 背光模组

Also Published As

Publication number Publication date
US20060146570A1 (en) 2006-07-06
CN1797122A (zh) 2006-07-05
KR20060077884A (ko) 2006-07-05
US7377681B2 (en) 2008-05-27
KR101108426B1 (ko) 2012-01-30

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C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: LG DISPLAY CO., LTD.

Free format text: FORMER NAME OR ADDRESS: LG. PHILIP LCD CO., LTD.

CP01 Change in the name or title of a patent holder

Address after: Seoul, South Kerean

Patentee after: LG Display Co.,Ltd.

Address before: Seoul, South Kerean

Patentee before: LG Philips LCD Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080702

Termination date: 20201230

CF01 Termination of patent right due to non-payment of annual fee